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Note 15 - Income Taxes (Tables) | 6 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31 |  |  | December 31 |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Reconciliation to effective tax rate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for income taxes at the anticipated annual tax rate |  |  | 28.9 | % |  |  | 30.4 | % |  |  | 28.9 | % |  |  | 30.8 | %
Enactment of tax law changes |  |  | 111.2 |  |  |  | -- |  |  |  | (22.2 | ) |  |  | -- |
Uncertain tax positions |  |  | (4.8 | ) |  |  | (0.6 | ) |  |  | 0.5 |  |  |  | (0.8 | )
Difference between deferred and current tax rate related to the impairment of goodwill |  |  | -- |  |  |  | -- |  |  |  | 12.1 |  |  |  | -- |
Other |  |  | -- |  |  |  | -- |  |  |  | -- |  |  |  | (1.8 | )
Tax impact related to share based compensation |  |  | 0.3 |  |  |  | (0.5 | ) |  |  | (0.4 | ) |  |  | (0.6 | )
Effective tax rate |  |  | 135.6 | % |  |  | 29.3 | % |  |  | 18.9 | % |  |  | 27.6 | %

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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